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ZOOS' PRINT, Volume XXIV, Number 11, November 2009, (RNI 11:2)
See the web version of this article with large, attractive photos at http://www.zoolex.org/zoolexcgi/view.py?id=1111
The lynx exhibit at Lange Erlen Animal Park in Switzerland
Lange Erlen Animal ParkLynx enclosurePascal Gysin and Katharina Köbele, pg landschaften(authors)Lauren Axtmann (translation for ZooLex)Monika Fiby (editor for ZooLex)
LOCATIONTierpark Lange Erlen, Erlenparkweg 110, 4058Basel, SwitzerlandPhone: +41-(0)61-681 43 44Fax: +41 (0)61 681 43 49URL: http://www.erlen-verein.ch
KEY WORDSnaturalistic
ANIMALSFamily Species Common Name CapacityFelidae Lynx lynx Eurasian lynx 1.1.2
DESCRIPTIONThe lynx exhibit symbolises a fresh start forbusiness at Lange Erlen in two respects. On theone hand, it is the first enclosure opened as part ofa masterplan that suggests displays of naturalhabitats of the region with its inhabitants. On theother hand, it is the first exhibit of a predatory
animal at the zoo. This enclosure has also allowedto introduce fence-free viewing to the animals park.All water features are built as open streams thatcan be fed from a nearby waterbody. For thispurpose, a new water management plant was builtalongside the construction of the enclosure. In thefuture, all waters of the zoo can be controlledthrough this plant.
The two sections of the enclosure can beconnected, so that male and female may be kepttogether or be separated from one another. A hilldivides these two areas.
The many different views into both parts of theexhibit were planned based on the original lay-outof the visitor pathway around the enclosure. Thisallows visitors to see the various areas of theexhibit. The views are designed in such a way, thatthe visitor may stand face-to-face with the animal.The back of the enclosure is an artificial rock wall
SIZESpace allocation in square meters:
Lynx family©pg landschaften, Stefan Wehrle, 2008
View of exhibit 1 across the water pool©pg landschaften, Katharina Köbele, 2009
use indoors outdoors total
exhibit accessible total accessible total
animals 33.1 33.1 2,300 2,600 2,600
visitors 650 750 750
others total 33.1 33.1 2,950 3,350 3,350
ZOOS' PRINT, Volume XXIV, Number 11, November 2009, (RNI 11:2)
Artificial rocks©pg landschaften, Katharina Köbele, 2009
Keepers’ feeding area©pg landschaften, Katharina Köbele, 2009
with a waterfall. The water, rocks and plants withinthe enclosure create the landscape of a hardwoodwetland which is part of the natural lynx habitat.In 2008, the lynx exhibit became the second stagein the implementation of the masterplan of LangeErlen, following completion of the Farmyard. Thelynx enclosure occupies about 2’633 m² and issituated on land formerly used by donkeys andpigs.
COSTSCHF 750,000 including 10% for design.
OPENING DATE14 September 2008
DESIGNBeginning: September 2007 All stages: pg landschaften, Gerbegässlein 1,
4450 Sissach, Switzerland Engingeering services: Berchtold + Tosoni AG,
Gewerbestrasse 10, 4450 Sissach, Switzerland
CONSTRUCTIONBeginning: March 2008 Artificial rock construction: Huber Straub AG,
Henric Petristrasse 12, 4010 Basel, Switzerland Underground construction: ARGE Mazzotti / Wirz,
Luigi Mazzotti AG Horburgstrasse 80, 4057 Basel,Switzerland Fence construction: Kumli u. Partner GmbH,
Pumpwerkstrasse 20, 4142 Münchenstein,Switzerland Netting: Jakob AG, Drahtseilfabrik, 3555
Trubschachen, Switzerland
PLANTSAs the zoo is situated in a region of hardwoodwetland, plant species of this biotope were used inthe exhibit. The species will be allowed naturalsuccession.
FEATURES DEDICATED TO ANIMALSThe topography of the landscape (elevated ridges,walls) provides the animals with various areas ofstimulation and retreat. There are gravel-bedswith short pioneer plant species, lush meadows onthe hillsides, running streams, water pools andtrees, as well as rotting wood. Artificial rocksthroughout the landscape can be climbed by theanimals.
FEATURES DEDICATED TO KEEPERSZoo keepers oversaw the planning andconstruction of the exhibit. Their experience andopinions were also taken into consideration when itcame to equipping the interior of the exhibit.Suitable niches in the vegetation and topographyare used by the keepers to hide food and snacksfor the enrichment of the animals.
FEATURES DEDICATED TO VISITORSThe visitor is separated from the fence of theenclosure by a narrow bed of vegetation: thisprevents their access not only to the animalsbehind the fence, but also to the electric wire.Views into the enclosure are mainly across a pondthat separates visitors from animals. The lay-out ofthe viewing station allows groups of visitors toobserve the animals.
ZOOS' PRINT, Volume XXIV, Number 11, November 2009, (RNI 11:2)
Information board©pg landschaften, Katharina Köbele, 2009
Birthing den©pg landschaften, Katharina Köbele, 2009
Safety measure: electric grass©pg landschaften, Katharina Köbele, 2009
The fencing of the exhibit is thin, black steel nettingthat is highly transparent. This effect isaccentuated by a distance of 6 metres between thepoles. All fences, as well as trees near the fences,are electrified for safety.
INTERPRETATIONThe visitor may learn about the lynx on informationboards. Steps are being taken to set up videobroadcasts from a television screen in the future.
MANAGEMENTThe two exhibits are connected by two electrically-powered sliding doors. Two cages are situatedbetween the building and the exhibits. Theseexhibits are usually managed as one, but theanimals can be kept separately when necessary.When the animals are in the cages, keepers canbring food into the exhibit.
A creek that is fed with water from a nearby pondruns through the two exhibits. At the waterviewing points the creek widens to basins.Because of the permanent water flow and the mildwinters in Basel the basins seldom freeze. Duringshort frost periods, the basins can be kept ice freemanually. When the frost continues, the animalsmust be kept in the cages. However, there arehardly visitors during such cold days.
RESEARCHA project with the University of Basel is planned.
CONSERVATIONThe zoo is situated in an area where both forestand groundwater are protected. This has beentaken into consideration during construction, as
well as for maintenance of the enclosure.
LOCAL RESOURCESLocal people and resources are considered, withregards to both employment and in the sourcing offood for the animals. The plants used in theenclosure were locally bought.
ZOOS' PRINT, Volume XXIV, Number 11, November 2009, (RNI 11:2)
Overview: ©pg landschaften, 2009
Site plan: model of the enclosure with building(Luchsgebäude), waterfall (Wasserfall), visitor
view points 1 to exhibit 1, visitor view points 2 and3 to exhibit 2. ©pg landschaften, Fabio
Haeuselmann, 2007
Picture Views: ©pg landschaften, 2007
View of exhibit 1(2). ©pg landschaften, KatharinaKöbele, 2009
View of exhibit 2 (8) ©pg landschaften, KatharinaKöbele, 2009
Back entrance into enclosure. ©pg landschaften,Katharina Köbele, 2009
ZOOS' PRINT, Volume XXIV, Number 11, November 2009, (RNI 11:2)
View of exhibit 1(3) ©pg landschaften, KatharinaKöbele, 2009
View of exhibit 2 (4) ©pg landschaften, KatharinaKöbele, 2009
View of exhibit 2 (5) ©pg landschaften, KatharinaKöbele, 2009
View of exhibit 2 (5) ©pg landschaften, KatharinaKöbele, 2009
Safety measure: electric wire. ©pg landschaften,Katharina Köbele, 2009
Dimensions of view across the pool (7) ©pglandschaften, 2007
ZOOS' PRINT, Volume XXIV, Number 11, November 2009, (RNI 11:2)
Gate which allows division of the enclosure intotwo separate areas ©pg landschaften, Katharina
Köbele, 2009
Diagram showing sections of the indoor area ofthe enclosure, including holding areas with
feeding space (FB), dens (B) and catch area (FG),technical room (TR) and a corridor for the keepers
(AG). ©pg landschaften, 2007
Keepers’ area. ©pg landschaften, KatharinaKöbele, 2009
Back entrance into enclosure. ©pg landschaften,Katharina Köbele, 2009
Transporting crate. ©pg landschaften, KatharinaKöbele, 2009
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